Region
United States
1,788
Great Britain
429
États-Unis
286
Grande-Bretagne
243
États-Unis
59
Pennsylvania
49
New Jersey
38
West (U.S.)
32
USA
27
California
19
Australia
18
Canada
16
Arizona
14
Mexico
14
Egypt
13
India
13
North Carolina
13
Cape Lookout National Seashore (N.C.)
11
England
11
New York (State)
11
South Dakota
11
Africa
10
New York
10
North America
10
Florida
9
Spain
9
Europe
8
Illinois
8
Japan
8
Mars (Planet)
8
Solar system
8
Texas
8
West United States
8
Asia
7
Greece
7
Maryland
7
Ontario
7
Outer space
7
Wind Cave National Park
7
Wind Cave National Park (Dak. du S.)
7
Wind Cave National Park (S.D.)
7
Chicago
6
Manitoba
6
New York (N.Y.)
6
Ohio
6
Polar regions
6
Rome
6
Virginia
6
America
5
Australie
5
more ...